Headband with an adjustable strap



FIG. 1 is a perspective view of a headband with an adjustable strap, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof, illustrated with a fabric sleeve pulled over a strap and buckles.

The broken lines showing a person in FIGS. 1 and 8 depict environmental matter and form no part of the claimed design. The remaining broken lines depict environmental features that form no part of the claimed design. 

CLAIM The ornamental design for a headband with an adjustable strap, as shown and described. 